Iron is a transition metal so we have to write it's electron configuration to determine the number of valence electrons.
We'll use the noble gas notation.
How many valence electrons does iron have?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Valence Electrons of Elements concept. You can view video lessons to learn Valence Electrons of Elements. Or if you need more Valence Electrons of Elements practice, you can also practice Valence Electrons of Elements practice problems.